Lectures on Spaces of Nonpositive Curvature Autor Werner Ballmann sep 1995 Paperback Preț: 360.61 lei 6-8 săpt.
Introduction to Geometry and Topology Compact Textbooks in Mathematics Autor Werner Ballmann et al. 28 iul 2018 Paperback Preț: 382.76 lei 6-8 săpt.